Question

In the following figure a 1.34kg ball is connected by means of
twomassless strings, each of length 1.70m to a vertical rotating
rod.The strings are tied to the rod with a separation of 1.70m and
aretaut. The tension in the upper string is 35N. What are (a)
tensionin the lower string, (b) the magnitude of the net force
acting onthe ball, and (c) the speed of the ball?